SOLUTION: fing the missing term in the arithemetic sequence 55,_,_,_,155

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Question 844019: fing the missing term in the arithemetic sequence
55,_,_,_,155
Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the missing term in the arithemetic sequence
55,_,_,_,155
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a(5) = a(1) + 4d
======
155 = 55 + 4d
4d = 100
d = 25
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Sequence::
55, 80, 105, 130, 155
=========================
Cheers,
Stan H.
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Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a=55
a+4(d)=155
4(d)=100
d=25
55, 80, 105, 130, 155